The pad-punching stems from Harbaugh's 14-year playing career, a tip he learned from Bears teammate and Hall of Fame running back Walter Payton to ease his nerves. Harbaugh has continued that ritual each game and Herbert's willingness to participate surprised some players.

"Justin has always hated cameras and things where he's the center of attention," left tackle Rashawn Slater said, "but I see him smiling when [Harbaugh] does it, so I'm like, that must be a sign that he really respects Coach."